Finding the Fourth Proportional to 5,470,491.40, 8,207,253.90 and 2,277,121.80
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Solution
The fourth proportional to 5,470,491.40, 8,207,253.90 and 2,277,121.80 is: 3,416,314.08
Step by Step Solution
- Step 1: Write the proportion equation
5,470,491.40 : 8,207,253.90 = 2,277,121.80 : x - Step 2: Convert to fraction form
5,470,491.40/8,207,253.90 = 2,277,121.80/x - Step 3: Cross multiply
5,470,491.40x = 8,207,253.90 × 2,277,121.80 - Step 4: Simplify right side
5,470,491.40x = 18,688,916,773,825.02 - Step 5: Solve for x
x = 18,688,916,773,825.02/5,470,491.40 - Step 6: Final answer
x = 3,416,314.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.